:root {
    --primary-color: #4a5568;
    --primary-light: #718096;
    --primary-dark: #2d3748;
    --secondary-color: #64748b;
    --bg-light: #f1f5f9;
    --bg-card: #ffffff;
    --text-dark: #1e293b;
    --border-color: #cbd5e1;
    --accent-color: #0891b2;
    --accent-hover: #0e7490;
}

html, body {
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #f1f5f9;
    color: var(--text-dark);
}

main {
    flex: 1;
}

.navbar {
    background: linear-gradient(135deg, #94a3b8 0%, #cbd5e1 50%, #9ca3af 100%) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-size: 1.1rem;
    color: #1e293b !important;
    font-weight: 600;
}

@media (max-width: 576px) {
    .navbar-brand {
        font-size: 0.95rem;
    }
}

.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(27, 67, 50, 0.1);
    background-color: var(--bg-card);
}

.card-header {
    background-color: #f8fafc;
    border-bottom: 1px solid var(--border-color);
    border-radius: 12px 12px 0 0 !important;
}

.card-header.bg-primary {
    background-color: var(--accent-color) !important;
    color: #fff !important;
}

.card-header.bg-primary h4,
.card-header.bg-primary h5,
.card-header.bg-primary i {
    color: #fff !important;
}

.btn {
    border-radius: 8px;
    padding: 0.5rem 1rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: #fff;
}

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    color: #fff;
}

.btn-outline-primary {
    color: var(--accent-color);
    border-color: var(--accent-color);
}

.btn-outline-primary:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: #fff;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.btn:active {
    transform: scale(0.98);
}

.form-control, .form-select {
    border-radius: 8px;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    background-color: #fff;
}

.form-control:focus, .form-select:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 0.2rem rgba(8, 145, 178, 0.15);
}

.form-control-lg, .form-select-lg {
    padding: 1rem 1.25rem;
    font-size: 1rem;
}

.badge {
    padding: 0.5em 0.8em;
    font-weight: 500;
    border-radius: 6px;
}

.bg-primary {
    background-color: var(--accent-color) !important;
    color: #fff !important;
}

.bg-secondary {
    background-color: #94a3b8 !important;
    color: #fff !important;
}

.bg-success {
    background-color: #10b981 !important;
    color: #fff !important;
}

.bg-info {
    background-color: #64748b !important;
    color: #fff !important;
}

.bg-warning {
    background-color: #f59e0b !important;
    color: #fff !important;
}

.bg-danger {
    background-color: #f87171 !important;
    color: #fff !important;
}

.text-primary {
    color: var(--accent-color) !important;
}

.table {
    border-radius: 12px;
    background-color: var(--bg-card);
}

.table-responsive {
    overflow: visible !important;
}

.btn-group .dropdown-menu {
    position: absolute;
    z-index: 1050;
}

.table thead th {
    border-bottom: none;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    color: #fff;
    background-color: var(--accent-color);
    padding: 0.875rem 0.75rem;
}

.table thead tr:first-child th:first-child {
    border-radius: 8px 0 0 8px;
}

.table thead tr:first-child th:last-child {
    border-radius: 0 8px 8px 0;
}

.table-hover tbody tr:hover {
    background-color: rgba(100, 116, 139, 0.08);
}

.table-light {
    background-color: var(--accent-color) !important;
}

.alert {
    border-radius: 10px;
    border: none;
}

.alert-success {
    background-color: #d8f3dc;
    color: var(--primary-dark);
}

.alert-danger {
    background-color: #f8d7da;
    color: #842029;
}

.alert-warning {
    background-color: #fff3cd;
    color: #664d03;
}

.alert-info {
    background-color: #cff4d2;
    color: var(--primary-dark);
}

.modal-content {
    border-radius: 16px;
    border: none;
    overflow: hidden;
    background-color: var(--bg-card);
}

.modal-header {
    background-color: #f8fafc;
    border-bottom: 1px solid var(--border-color);
}

.dropdown-menu {
    border-radius: 10px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(27, 67, 50, 0.15);
    padding: 0.5rem;
    background-color: var(--bg-card);
}

.dropdown-item {
    border-radius: 6px;
    padding: 0.5rem 1rem;
    margin: 2px 0;
    color: var(--text-dark);
}

.dropdown-item:hover {
    background-color: rgba(100, 116, 139, 0.1);
    color: var(--primary-color);
}

.dropdown-item.active {
    background-color: var(--primary-color);
    color: #fff;
}

.footer {
    background-color: #f8fafc;
    border-top: 1px solid var(--border-color);
}

#requestMap {
    z-index: 1;
}

#locationMap {
    z-index: 1;
    min-height: 250px;
    width: 100%;
}

.leaflet-container {
    border-radius: 8px;
    background: #f1f5f9;
}

.text-truncate {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.text-muted {
    color: var(--secondary-color) !important;
}

a {
    color: var(--accent-color);
}

a:hover {
    color: var(--accent-hover);
}

.navbar-nav .nav-link {
    color: #fff !important;
    background-color: var(--accent-color);
    border-radius: 8px;
    padding: 0.5rem 1.25rem !important;
    margin: 0 0.25rem;
    transition: all 0.2s ease;
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(8, 145, 178, 0.3);
    border: 2px solid var(--accent-color);
}

.navbar-nav .nav-link:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    color: #fff !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(8, 145, 178, 0.4);
}

.navbar-nav .dropdown-toggle {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

@media (max-width: 991px) {
    .table-responsive {
        overflow-x: auto !important;
    }
    
    .table-responsive table {
        display: block;
        width: 100%;
    }
    
    .table-responsive table thead {
        display: none;
    }
    
    .table-responsive table tbody {
        display: block;
        width: 100%;
    }
    
    .table-responsive table tbody tr {
        display: block;
        margin-bottom: 1rem;
        background: #fff;
        border-radius: 12px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        padding: 1rem;
        border: 1px solid var(--border-color);
    }
    
    .table-responsive table tbody td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0.5rem 0;
        border: none;
        border-bottom: 1px solid #f1f5f9;
    }
    
    .table-responsive table tbody td:last-child {
        border-bottom: none;
        justify-content: flex-end;
        padding-top: 0.75rem;
    }
    
    .table-responsive table tbody td:first-child {
        padding-top: 0;
    }
    
    .table-responsive table tbody td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--accent-color);
        font-size: 0.85rem;
        text-transform: uppercase;
    }
    
    .table-responsive table tbody td:last-child::before {
        content: none;
    }
}

@media (max-width: 768px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .card-body {
        padding: 1.25rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .btn-group-sm .btn {
        padding: 0.4rem 0.6rem;
    }
    
    .d-flex.justify-content-between.align-items-center.mb-4 {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 1rem;
    }
    
    .d-flex.justify-content-between.align-items-center.mb-4 > div {
        width: 100%;
        display: flex;
        justify-content: space-between;
    }
}

@media (max-width: 576px) {
    .navbar-nav .nav-link {
        padding: 0.75rem 1rem !important;
        margin: 0.25rem 0;
    }
    
    .btn-lg {
        padding: 0.875rem 1.25rem;
    }
    
    .d-flex.gap-2 {
        flex-direction: column;
    }
    
    .d-flex.gap-2 .btn {
        width: 100%;
    }
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

.spinner-border {
    animation: spinner-border 0.75s linear infinite;
}

.img-thumbnail {
    border-radius: 8px;
    border: 2px solid var(--border-color);
}

input[type="file"] {
    cursor: pointer;
}

input[type="file"]::file-selector-button {
    background-color: #d8f3dc;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    margin-right: 1rem;
    cursor: pointer;
    transition: background-color 0.2s ease;
    color: var(--primary-dark);
}

input[type="file"]::file-selector-button:hover {
    background-color: var(--border-color);
}

.btn-outline-success {
    color: #10b981;
    border-color: #10b981;
}

.btn-outline-success:hover {
    background-color: #10b981;
    border-color: #10b981;
    color: #fff;
    transform: translateY(-1px);
}

.btn-outline-primary:hover,
.btn-outline-secondary:hover,
.btn-outline-danger:hover,
.btn-outline-info:hover {
    transform: translateY(-1px);
}

.btn-outline-info {
    color: var(--accent-color);
    border-color: var(--accent-color);
}

.btn-outline-info:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: #fff;
}

.btn-outline-danger {
    color: #f87171;
    border-color: #f87171;
}

.btn-outline-danger:hover {
    background-color: #f87171;
    border-color: #f87171;
    color: #1e293b;
}

.btn-outline-secondary {
    color: #64748b;
    border-color: #64748b;
}

.btn-outline-secondary:hover {
    background-color: #64748b;
    border-color: #64748b;
    color: #fff;
}

@supports (-webkit-touch-callout: none) {
    .btn, .form-control, .form-select {
        font-size: 16px;
    }
}

.card.h-100 {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card.h-100:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(27, 67, 50, 0.15);
}

.form-label {
    color: var(--text-dark);
    font-weight: 500;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-dark);
}

.user-link {
    transition: color 0.2s ease;
}

.user-link:hover {
    color: var(--accent-color) !important;
}

.user-link:hover span {
    text-decoration: underline;
}